Gaya APA

GOODMAN, W. (1965). The two-party system in the United States (3, Cet. 2). New York: D.Van Nostrand Company, INC..

Gaya MLA

GOODMAN, William. "The two-party system in the United States". 3, Cet. 2 New York: D.Van Nostrand Company, INC., 1965. Buku.